PXD20 Datasheet, PDF (84/130 Pages) Freescale Semiconductor, Inc – PXD20 Microcontroller

Electrical characteristics
4.9 RESET electrical characteristics
The device implements a dedicated bidirectional RESET pin.
V_RESET
V_DD
V_IH
Figure 9. Start-up reset requirements
hw_rst
‘1’
V_IL
‘0’
filtered by ^{filtered by}
hysteresis ^{lowpass filter}
filtered by
unknown reset
lowpass filter state
device under hardware reset
W_FRST
W_FRST
W_NFRST
Figure 10. Noise filtering on reset signal
PXD20 Microcontroller Data Sheet, Rev. 2
84
Preliminary—Subject to Change Without Notice
Freescale Semiconductor